16 March 2015, 04:10 PM ET
A 17-million-year-old beaked whale fossil is helping researchers solve a puzzle about the likely birthplace of humanity in East Africa, a new study finds.
16 March 2015, 12:30 PM ET
The yeti, a legendary shaggy, bipedal beast from the Himalayas, made headlines last year when a geneticist said he had solved the mystery of its origins. But now, scientists have found the hair samples used in that study came from a Himalayan brown bear.
12 March 2015, 05:13 PM ET
A rare leatherback turtle stranded on a remote South Carolina beach was released back into the wild today (March 12).
12 March 2015, 01:57 PM ET
See photos of wildlife experts in South Carolina rescuing a stranded leatherback turtle on March 7, 2015.
12 March 2015, 07:21 AM ET
For some people, the price of a pet's health is never too high. A team of veterinarians in Scotland performed a set of operations on pet goldfish that cost nearly $800.
11 March 2015, 04:00 PM ET
Long before they shared the landscape with modern humans, Neanderthals in Europe developed a sharp sense of style, wearing eagle claws as jewelry, new evidence suggests.
11 March 2015, 02:54 PM ET
A remarkably well-preserved fossil of 480-million-year-old sea monster is helping researchers understand the evolution of arthropods.
11 March 2015, 02:54 PM ET
A 480-million-year-old fossil is giving paleontologists new insights into a sea monsterlike creature called an anomalocaridid, which is an ancestor of modern-day arthropods such as lobsters and scorpions, a new study finds.
11 March 2015, 02:21 PM ET
One of the earliest animals with a backbone to walk on land may have been more like the modern crocodile than previously thought, according to 3D computer models of its skull, researchers say.
11 March 2015, 01:47 PM ET
This week, panda parents Bai Yun and Gao Gao made their first breeding attempt since 2012.
11 March 2015, 01:35 PM ET
The remains of a baby woolly rhino that roamed the Earth at least 10,000 years ago have been discovered in a frozen riverbank in Siberia, researchers said.
11 March 2015, 01:34 PM ET
A hunter and businessman stumbled across a rare find in a frozen riverbank in Siberia: The remarkably complete remains of a baby woolly rhino.
11 March 2015, 07:07 AM ET
At least seven snowy owls have been spotted in New York City since December, and scientists are reaping the benefits. By tagging the owls, researchers have learned surprising things about the birds' feeding habits and ecology.
10 March 2015, 12:29 PM ET
The chameleon's uncanny ability to change color has long mystified people, but now the lizard's secret is out: Chameleons can rapidly change color by adjusting a layer of special cells nestled within their skin, a new study finds.
10 March 2015, 12:23 PM ET
Countless scientists, including the ancient philosopher Aristotle, have wondered how the chameleon changes color. Now, researchers have uncovered the lizard's secret.
10 March 2015, 12:21 PM ET
When presented with an adult male within its line of sight, the male F. pardalis’ skin-colors change. Relaxation after combat also induces color change. Researchers zoomed into a single cell undergoing change, to further understand the color shift.
10 March 2015, 07:47 AM ET
For the first time, conservationists have spotted an Amur tiger dad leading his family along a snowy trail in Russia's Far East forests.
09 March 2015, 06:34 PM ET
A new iPhone open-source platform enables researchers to conduct secure clinical trials that can track detailed data on users.
06 March 2015, 02:46 AM ET
From macaws to tapirs, wildlife are struggling to survive as landscapes burn.
06 March 2015, 02:31 AM ET
As wildfires burn widely, can forests' residents survive?
05 March 2015, 08:14 AM ET
As the outlook for animals like elephants and rhinos turns grim, wildlife experts are seeing some signs of encouragement that the illegal trade of ivory and other animal products is being treated as a serious crime.
05 March 2015, 01:33 AM ET
Slipping in and out of view, what are sharks thinking?
03 March 2015, 07:34 PM ET
Fleets of cyborg cockroaches could someday roam into damaged nuclear power plants or collapsed mines to carry out reconnaissance or locate survivors.
03 March 2015, 06:23 PM ET
The dinosaur with the fearsome face was a gentle giant.
03 March 2015, 06:20 PM ET
Fossils left behind by a penguin that was hunted to extinction reveal a remarkably fast turnover in species occurred after Polynesians settlers wiped out New Zealand's weird island wildlife.
03 March 2015, 07:55 AM ET
In calm waters, barnacle penises are long and slender, allowing them to reach the maximum amount of partners possible. But wave-exposed, intertidal locales favor stouter penises, which are more easily controlled under turbulent conditions.
03 March 2015, 07:29 AM ET
Earth's last ice age was so cold that even Antarctica's emperor penguins had trouble with the chill, a new study finds.
28 February 2015, 06:00 PM ET
Meat is on the menu, but should it be?
26 February 2015, 12:56 PM ET
These endangered sea turtles are facing a new threat: sand microbes encouraged by the decomposing eggs.
26 February 2015, 07:20 AM ET
A graduate student studying peacock spiders in Australia discovered two new species of the colorful eight-legged beasts.
25 February 2015, 08:58 PM ET
Tigers make lousy house pets, and outside of accredited zoos, they are at high risk of abuse — or worse.
25 February 2015, 04:20 PM ET
A little injection of the so-called 'love' hormone, oxytocin, can sober up drunken rats, reversing their clumsy alcohol-induced behaviors, scientists report.